umount external devices

[Andras Simon]

2011/8/27, François Patte <francois.patte at mi.parisdescartes.fr>:
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> Bonjour,
>
> If I plug an usb HD with multiple partitions on it, I can see onmy desk
> as many icons as the number of partitions.
>
> If I ask to unmount one of them (right click on the icon and using the
> menu "eject") all the partitions are unmounted. Is this a normal behaviour?
>
> Is there a possibility to unmount the partitions one by one?

Yes: umount <mountpoint>

Andras